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2430 L-Cysteine, Hydrochloride - CAS 52-89-1 - Calbiochem

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Key Spec Table

CAS #Empirical Formula
52-89-1C₃H₇NO₂S · HCl


Catalogue NumberPackaging Qty/Pack
2430-100GM Glass bottle 100 gm
2430-1KG Glass bottle 1 kg
Catalogue Number2430
Brand Family Calbiochem®
SynonymsCys, HCI
Product Information
CAS number52-89-1
FormWhite solid
Hill FormulaC₃H₇NO₂S · HCl
Chemical formulaC₃H₇NO₂S · HCl
Quality LevelMQ100
Biological Information
Purity>98% by titration
Physicochemical Information
Materials Information
Toxicological Information
Safety Information according to GHS
Safety Information
R PhraseR: 36/37/38

Irritating to eyes, respiratory system and skin.
S PhraseS: 26-36-45

In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
Wear suitable protective clothing.
In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).
Product Usage Statements
Storage and Shipping Information
Ship Code Ambient Temperature Only
Toxicity Irritant
Storage +15°C to +30°C
Do not freeze Ok to freeze
Special InstructionsUnstable in solution; reconstitute just prior to use.
Packaging Information
Transport Information
Supplemental Information


L-Cysteine, Hydrochloride - CAS 52-89-1 - Calbiochem SDS


Safety Data Sheet (SDS) 

L-Cysteine, Hydrochloride - CAS 52-89-1 - Calbiochem Certificates of Analysis

TitleLot Number
Data Sheet

Note that this data sheet is not lot-specific and is representative of the current specifications for this product. Please consult the vial label and the certificate of analysis for information on specific lots. Also note that shipping conditions may differ from storage conditions.

Revision29-April-2008 RFH
SynonymsCys, HCI
DescriptionAmino acid with a non-polar side chain. Sulfur containing side chains facilitate the formation of disulfide bonds in proteins. Used as a reagent for reducing reactive sulfhydryl groups.
FormWhite solid
CAS number52-89-1
Chemical formulaC₃H₇NO₂S · HCl
Purity>98% by titration
SolubilityH₂O (10 mg/ml) and Ethanol
Storage +15°C to +30°C
Do Not Freeze Ok to freeze
Special InstructionsUnstable in solution; reconstitute just prior to use.
Toxicity Irritant
Merck USA index14, 2781